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Title:
Apparatus and method for in-line energization and de-energization of external loads in series with an external source of electricity in response to externally sensed parameters
Abstract:
A control system for energizing and de-energizing external loads in series with a source of electricity incorporates a rectifying network having inputs in series with the alternating current source and each external load. The control system incorporates one electronic switch, such as a triac, and one part of a rectifying network to energize and de-energize each external load. The triggering of a particular electronic switch is made in response to a desired combination of externally sensed parameters obtaining predetermined magnitudes. The same or different sensed parameters may also be used to activate any other external load when these sensed parameters obtain a second set of predetermined magnitudes, which may be identical with the first set of predetermined magnitudes.
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Inventors:
Gingras, Richard P. (Ridgefield, CT, US)
Application Number:
955120
Filing Date: 1978-10-26 Publication_date: 1980-11-25 Assignee:
Primary Class(es):
307/39
236/47, 307/117
Other Classes:
US Patent Ref:
| 3337741 | Aug, 1967 | Mislan | 307/41. | | 3352490 | Nov, 1967 | Dalzell et al. | 236/68. | | 3523182 | Aug, 1970 | Phillips et al. | 307/117. | | 3586869 | Jun, 1971 | Kompelian | 307/117. | | 3761018 | Sep, 1973 | Rekal | 307/39. | | 3768545 | Oct, 1973 | Wilk | 307/39. | | 3854033 | Dec, 1974 | Edge | 219/483. | | 3867641 | Feb, 1975 | Collins | 307/117. | | 3868638 | Feb, 1975 | Johnson | 307/117. | | 3869619 | Mar, 1975 | Camillo | 307/117. | | 3944841 | Mar, 1976 | Janke | 307/38. | | 3948441 | Apr, 1976 | Perkins et al. | 236/46. | | 3980943 | Sep, 1976 | Cailleux et al. | 307/39. | | 3984699 | Oct, 1976 | Bailey | 307/41. | | 4010412 | Mar, 1977 | Forman | 307/39. |
Other Refs:
Other References:
SCR Manual, General Electric, 1972, p. 223. |